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Posted to issues@spark.apache.org by "Sean R. Owen (Jira)" <ji...@apache.org> on 2023/03/10 17:29:00 UTC

[jira] [Updated] (SPARK-42685) optimize byteToString routines

     [ https://issues.apache.org/jira/browse/SPARK-42685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean R. Owen updated SPARK-42685:
---------------------------------
    Priority: Minor  (was: Major)

> optimize byteToString routines
> ------------------------------
>
>                 Key: SPARK-42685
>                 URL: https://issues.apache.org/jira/browse/SPARK-42685
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.3.2
>            Reporter: Alkis Evlogimenos
>            Priority: Minor
>
> {{Utils.byteToString routines are slow because they use BigInt and BigDecimal. This is causing visible CPU usage (1-2% in scan benchmarks).}}



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